Feat: 네이버 로그인 구현

Author: joyewon0705

src/main/java/com/back/global/security/oauth/CustomOAuth2UserService.java

@@ -28,9 +28,7 @@
 @Service
 @RequiredArgsConstructor
 public class CustomOAuth2UserService extends DefaultOAuth2UserService {
-
     private final UserRepository userRepository;
-    private final UserProfileRepository userProfileRepository;
 
     @Override
     public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException {
@@ -45,6 +43,7 @@ public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2Authentic
             // 소셜 제공자별로 사용자 정보 매핑
             OAuth2UserInfo userInfo = switch (registrationId) {
                 case "kakao" -> new KakaoOAuth2UserInfo(attributes);
+                case "naver" -> new NaverOAuth2UserInfo(attributes);
                 default -> throw new CustomException(ErrorCode.UNSUPPORTED_OAUTH_PROVIDER);
             };
 

src/main/java/com/back/global/security/oauth/NaverOAuth2UserInfo.java

@@ -0,0 +1,43 @@
+package com.back.global.security.oauth;
+
+import java.util.Map;
+
+/**
+ * 네이버 OAuth2 사용자 정보 구현체
+ */
+public class NaverOAuth2UserInfo implements OAuth2UserInfo {
+    private final Map<String, Object> attributes;
+
+    public NaverOAuth2UserInfo(Map<String, Object> attributes) {
+        this.attributes = attributes;
+    }
+
+    @Override
+    public String getProvider() {
+        return "naver";
+    }
+
+    @Override
+    public String getProviderId() {
+        Map<String, Object> response = (Map<String, Object>) attributes.get("response");
+        return response != null ? (String) response.get("id") : null;
+    }
+
+    @Override
+    public String getEmail() {
+        Map<String, Object> response = (Map<String, Object>) attributes.get("response");
+        return response != null ? (String) response.get("email") : null;
+    }
+
+    @Override
+    public String getNickname() {
+        Map<String, Object> response = (Map<String, Object>) attributes.get("response");
+        return response != null ? (String) response.get("nickname") : null;
+    }
+
+    @Override
+    public String getProfileImageUrl() {
+        Map<String, Object> response = (Map<String, Object>) attributes.get("response");
+        return response != null ? (String) response.get("profile_image") : null;
+    }
+}

src/main/resources/application-dev.yml

@@ -34,12 +34,24 @@ spring:
             redirect-uri: "{baseUrl}/login/oauth2/code/{registrationId}"
             scope: profile_nickname, profile_image, account_email
             client-name: Kakao
+          naver:
+            client-id: ${NAVER_CLIENT_ID}
+            client-secret: ${NAVER_CLIENT_SECRET}
+            authorization-grant-type: authorization_code
+            redirect-uri: "{baseUrl}/login/oauth2/code/{registrationId}"
+            scope: email, nickname, profile_image
+            client-name: Naver
         provider:
           kakao:
             authorization-uri: https://kauth.kakao.com/oauth/authorize
             token-uri: https://kauth.kakao.com/oauth/token
             user-info-uri: https://kapi.kakao.com/v2/user/me
             user-name-attribute: id
+          naver:
+            authorization-uri: https://nid.naver.com/oauth2.0/authorize
+            token-uri: https://nid.naver.com/oauth2.0/token
+            user-info-uri: https://openapi.naver.com/v1/nid/me
+            user-name-attribute: response
 
 springdoc:
   default-produces-media-type: application/json;charset=UTF-8